Leveling up spells while having "Quick Caston Key Up" enabled casts the spell as well

[bu3ny]

Repro:
1. Enable Quickcast
2. Turn "Quickcast On Key Down" option off
3. Level up once
4. Open the ability learn overlay
5. Press your quickcast key to level up the spell (make sure that the spell does not require targeting)
6. Hold it down for a bit before letting it go (like one second)

Result: Upon letting the key go, the hero casts the spell. It gets leveled up on key down, and cast on key up.

Expected: When pressing ability hotkeys while having the learn overlay open, the spell should not react on the key-up action.

Alternative repro:
1. Enable Quickcast
2. Turn "Quickcast On Key Down" option off
3. Level up once
4. Hold down the CTRL key
5. Press your quickcast key to level up the spell (make sure that the spell does not require targeting)
6. Hold the quickcast hotkey down
7. Let go of the CTRL key
8. Let go of the quickcast key

Result: When holding CTRL while pressing the spell hotkey, it gets leveled up. Now, when letting the CTRL key go before letting the spell hotkey go, the spell gets cast upon letting it go.

Expected: When pressing ability hotkeys while holding CTRL, the spell should not react on the key-up action.

[drdrdr]

Quickcast On Key Down, No Target abilities and learning abilities

If the function "Quickcast On Key Down" and quickcasts is enabled, automatically used No Target abilities (for example "Echo Slam","Starstorm") after learning with buttons abilities. When you let button of ability (time learning) ability automatically used. I think this mustn't work with Learn Ability. Like this

[GermanViet]

I cannot reproduce.

[bu3ny]

^ Hold down the ability key a bit longer.

Merged threads.

[LordForn]

Leveling up with Quickcast activated

When you are using quickcast with cast on release activated, leveling up with hot keys still triggers on press. This occasionally causes an ability to trigger AND level up on a single key press.

[nottheinferno]

With quickcast on key up, using ctrl+hotkey to level sometimes casts abilities.

Summary:
With quickcast enabled and the "quickcast on key down" setting disabled, using ctrl plus the hotkey to level a nontargeted skill will sometimes activate the skill.

Repro Steps:
1. Enable quickcast in the settings, uncheck "quickcast on key down" in the advanced options.
2. Enter demo mode as Tidehunter.
3. Hold down the control key.
4. Hold down E, don't release it yet. You should now have level 1 anchor smash.
5. Release the control key.
6. Finally, release the E key. Tidehunter will cast anchor smash.

Result:
You accidentally cast a spell when you only wanted to level it up, wasting the cooldown and mana cost.

Expected Result:
Control+hotkey should only ever attempt to level up the skill, never cast it.

It's not a big deal with anchor smash, but wasting the cooldown for Ravage at 6 or even just the mana for something like Skeleton Walk in lane can be a big deal.
Note that this bug only happens when releasing ctrl first. If you are still holding ctrl when you release the E key, you will not cast anchor smash.

[PhantomBKB]

Summary:
Note that this bug only happens when releasing ctrl first. If you are still holding ctrl when you release the E key, you will not cast anchor smash.

This was quite helpful, thanks!

[MeanMachine]

No target abilities get cast when leveling up using quickcast.

When leveling up a no target skill using quickcast, if Ctrl is released before the hotkey, the ability is cast.